vue hello world项目
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/**
* @author tyankatsu <https://github.com/tyankatsu0105>
* See LICENSE file in root directory for full license.
*/
'use strict'
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
const { defineTemplateBodyVisitor } = require('../utils')
// ------------------------------------------------------------------------------
// Rule Definition
// ------------------------------------------------------------------------------
/**
* count ObjectExpression element
* @param {VDirective & {value: VExpressionContainer & {expression: ArrayExpression}}} node
* @return {number}
*/
function countObjectExpression(node) {
return node.value.expression.elements.filter(
(element) => element && element.type === 'ObjectExpression'
).length
}
module.exports = {
meta: {
type: 'suggestion',
docs: {
description: 'disallow to pass multiple objects into array to class',
categories: undefined,
url: 'https://eslint.vuejs.org/rules/no-multiple-objects-in-class.html'
},
fixable: null,
schema: [],
messages: {
unexpected: 'Unexpected multiple objects. Merge objects.'
}
},
/** @param {RuleContext} context */
create(context) {
return defineTemplateBodyVisitor(context, {
/** @param {VDirective & {value: VExpressionContainer & {expression: ArrayExpression}}} node */
'VAttribute[directive=true][key.argument.name="class"][key.name.name="bind"][value.expression.type="ArrayExpression"]'(
node
) {
if (countObjectExpression(node) > 1) {
context.report({
node,
loc: node.loc,
messageId: 'unexpected'
})
}
}
})
}
}